Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 651 [Rate centres in NPA 651] [Dial plan for NPA 651]

NXX: 377

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
651-377 A Twin Cities MN MPLSMNCD9MD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 628      
651-377 0 Twin Cities MN MPLSMNMSAMD  5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 628   2022-05-02   
651-377 1 Twin Cities MN MPLSMNCD9MD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 628   2020-07-07   
651-377 2 Twin Cities MN MPLSMNCD9MD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 628   2020-07-07   
651-377 3 Twin Cities MN MPLSMNCD9MD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 628   2020-07-07   
651-377 4 Twin Cities MN MPLSMNCDDSC  184D ONVOY, LLC - MN 628   2021-12-20   
651-377 5 Twin Cities MN MPLSMNCDDSC  184D ONVOY, LLC - MN 628   2021-12-20   
651-377 6 Twin Cities MN STPLMNMKTMD  624H ONVOY SPECTRUM, LLC 628   2021-06-01   
651-377 7 Twin Cities MN MPLSMNFD2MD  508J CENTURYLINK COMMUNICATIONS, LLC 628   2020-09-20   
651-377 8 Twin Cities MN   184D ONVOY, LLC - MN 628   2020-09-24   
651-377 9 Twin Cities MN STPLMNMKTMD  624H ONVOY SPECTRUM, LLC 628   2022-06-27   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.